I personally like the Primary arms optics. The ACSS reticles are fast and easy to use. For quick aquisition and shooting there is none better. If you dial for windage/elevation you could probably find something else.
I have 2 RAP rifles. 1 in 6.5 creedmoor with a boyds thumbhole and a 6.5 grendel with original stock. I love them both. I am get half moa at 200 yards with both of them with handloads. May be better than that even when I play with seating depth this summer. I would not hesitate to buy one...
Here is a link to what helped me. They are called Burris Posi Lign scope rings. It has been a while but I think I got the biggest number I could. I may have some left because at the time I was looking at them they were sold out everywhere so I had to get a whole package of them. I only have...